MotionEstContext Struct Reference

Motion estimation context. More...

#include <mpegvideo.h>

Data Fields

AVCodecContext * avctx

int skip

set if ME is skipped for the current MB

int co_located_mv [4][2]

mv from last P-frame for direct mode ME

int direct_basis_mv [4][2]

uint8_t * scratchpad

data area for the ME algo, so that the ME does not need to malloc/free

uint8_t * best_mb

uint8_t * temp_mb [2]

uint8_t * temp

int best_bits

uint32_t * map

map to avoid duplicate evaluations

uint32_t * score_map

map to store the scores

int map_generation

int pre_penalty_factor

int penalty_factor

int sub_penalty_factor

int mb_penalty_factor

int flags

int sub_flags

int mb_flags

int pre_pass

= 1 for the pre pass

int dia_size

int xmin

int xmax

int ymin

int ymax

int pred_x

int pred_y

uint8_t * src [4][4]

uint8_t * ref [4][4]

int stride

int uvstride

int mc_mb_var_sum_temp

int mb_var_sum_temp

int scene_change_score

op_pixels_func(* hpel_put )[4]

op_pixels_func(* hpel_avg )[4]

qpel_mc_func(* qpel_put )[16]

qpel_mc_func(* qpel_avg )[16]

uint8_t(* mv_penalty )[MAX_MV *2+1]

amount of bits needed to encode a MV

uint8_t * current_mv_penalty

int(* sub_motion_search )(struct MpegEncContext *s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)

Detailed Description

Motion estimation context.

Definition at line 139 of file mpegvideo.h.

Field Documentation

int MotionEstContext::best_bits

Definition at line 148 of file mpegvideo.h.

uint8_t* MotionEstContext::best_mb

Definition at line 145 of file mpegvideo.h.

int MotionEstContext::co_located_mv[4][2]

mv from last P-frame for direct mode ME

Definition at line 142 of file mpegvideo.h.

Referenced by cmp(), and direct_search().

uint8_t* MotionEstContext::current_mv_penalty

Definition at line 185 of file mpegvideo.h.

Referenced by direct_search(), encode_q_branch(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::dia_size

Definition at line 164 of file mpegvideo.h.

Referenced by diamond_search(), estimate_motion_thread(), full_search(), l2s_dia_search(), pre_estimate_motion_thread(), qpel_motion_search(), sab_diamond_search(), svq1_encode_plane(), umh_search(), and var_diamond_search().

int MotionEstContext::direct_basis_mv[4][2]

Definition at line 143 of file mpegvideo.h.

Referenced by cmp(), and direct_search().

int MotionEstContext::flags

Definition at line 160 of file mpegvideo.h.

Referenced by check_input_motion(), direct_search(), epzs_motion_search2(), epzs_motion_search4(), epzs_motion_search_internal(), ff_epzs_motion_search(), ff_init_me(), get_limits(), and init_interlaced_ref().

op_pixels_func(* MotionEstContext::hpel_avg)[4]

Definition at line 181 of file mpegvideo.h.

Referenced by cmp(), and ff_init_me().

op_pixels_func(* MotionEstContext::hpel_put)[4]

Definition at line 180 of file mpegvideo.h.

Referenced by cmp(), and ff_init_me().

uint32_t* MotionEstContext::map

map to avoid duplicate evaluations

Definition at line 149 of file mpegvideo.h.

Referenced by common_end(), encode_init(), free_duplicate_context(), hpel_motion_search(), init_duplicate_context(), qpel_motion_search(), svq1_encode_end(), svq1_encode_init(), and update_map_generation().

int MotionEstContext::map_generation

Definition at line 151 of file mpegvideo.h.

Referenced by full_search(), funny_diamond_search(), hex_search(), hpel_motion_search(), l2s_dia_search(), qpel_motion_search(), sab_diamond_search(), small_diamond_search(), umh_search(), update_map_generation(), and var_diamond_search().

int MotionEstContext::mb_flags

Definition at line 162 of file mpegvideo.h.

Referenced by ff_get_mb_score(), and ff_init_me().

int MotionEstContext::mb_penalty_factor

Definition at line 159 of file mpegvideo.h.

Referenced by check_bidir_mv(), encode_q_branch(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_get_mb_score(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::mb_var_sum_temp

Definition at line 177 of file mpegvideo.h.

Referenced by encode_picture(), ff_estimate_p_frame_motion(), mb_var_thread(), and merge_context_after_me().

int MotionEstContext::mc_mb_var_sum_temp

Definition at line 176 of file mpegvideo.h.

Referenced by encode_picture(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), and merge_context_after_me().

uint8_t(* MotionEstContext::mv_penalty)[MAX_MV *2+1]

amount of bits needed to encode a MV

Definition at line 184 of file mpegvideo.h.

Referenced by check_bidir_mv(), cmp(), direct_search(), encode_q_branch(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_mpeg1_encode_init(), ff_pre_estimate_p_frame_motion(), and MPV_encode_defaults().

int MotionEstContext::penalty_factor

an estimate of the bits required to code a given mv value, e.g. (1,0) takes more bits than (0,0). We have to estimate whether any reduction in residual is worth the extra bits.

Definition at line 153 of file mpegvideo.h.

Referenced by cmp(), encode_q_branch(), epzs_motion_search2(), epzs_motion_search4(), epzs_motion_search_internal(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), and hpel_motion_search().

int MotionEstContext::pre_pass

= 1 for the pre pass

Definition at line 163 of file mpegvideo.h.

Referenced by epzs_motion_search_internal(), and pre_estimate_motion_thread().

int MotionEstContext::pre_penalty_factor

Definition at line 152 of file mpegvideo.h.

Referenced by epzs_motion_search_internal(), and ff_pre_estimate_p_frame_motion().

int MotionEstContext::pred_x

Definition at line 169 of file mpegvideo.h.

Referenced by cmp(), direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::pred_y

Definition at line 170 of file mpegvideo.h.

Referenced by cmp(), direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), h263_mv4_search(), and interlaced_search().

qpel_mc_func(* MotionEstContext::qpel_avg)[16]

Definition at line 183 of file mpegvideo.h.

Referenced by cmp(), decode_slice_header(), ff_h263_decode_frame(), ff_init_me(), hl_decode_mb_internal(), MPV_decode_mb_internal(), and vc1_decode_frame().

qpel_mc_func(* MotionEstContext::qpel_put)[16]

Definition at line 182 of file mpegvideo.h.

Referenced by cmp(), decode_slice_header(), ff_h263_decode_frame(), ff_init_me(), hl_decode_mb_internal(), MPV_decode_mb_internal(), and vc1_decode_frame().

uint8_t* MotionEstContext::ref[4][4]

Definition at line 172 of file mpegvideo.h.

Referenced by check_bidir_mv(), cmp(), ff_estimate_p_frame_motion(), h263_mv4_search(), init_interlaced_ref(), init_mv4_ref(), init_ref(), interlaced_search(), and sad_hpel_motion_search().

int MotionEstContext::scene_change_score

Definition at line 178 of file mpegvideo.h.

Referenced by encode_frame(), encode_picture(), encode_q_branch(), ff_estimate_p_frame_motion(), merge_context_after_me(), and svq1_encode_plane().

uint32_t* MotionEstContext::score_map

map to store the scores

Definition at line 150 of file mpegvideo.h.

Referenced by common_end(), encode_init(), free_duplicate_context(), init_duplicate_context(), svq1_encode_end(), and svq1_encode_init().

uint8_t* MotionEstContext::scratchpad

data area for the ME algo, so that the ME does not need to malloc/free

Definition at line 144 of file mpegvideo.h.

Referenced by check_bidir_mv(), common_end(), encode_init(), ff_estimate_p_frame_motion(), free_duplicate_context(), h263_mv4_search(), init_duplicate_context(), interlaced_search(), svq1_encode_end(), and svq1_encode_init().

int MotionEstContext::skip

set if ME is skipped for the current MB

Definition at line 141 of file mpegvideo.h.

Referenced by direct_search(), encode_q_branch(), epzs_motion_search_internal(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), hpel_motion_search(), qpel_motion_search(), and sad_hpel_motion_search().

uint8_t* MotionEstContext::src[4][4]

Definition at line 171 of file mpegvideo.h.

Referenced by check_bidir_mv(), cmp(), ff_estimate_p_frame_motion(), init_interlaced_ref(), init_mv4_ref(), init_ref(), interlaced_search(), and sad_hpel_motion_search().

int MotionEstContext::stride

Definition at line 173 of file mpegvideo.h.

Referenced by check_bidir_mv(), check_input_motion(), cmp(), ff_estimate_p_frame_motion(), ff_init_me(), h263_mv4_search(), init_mv4_ref(), interlaced_search(), and sad_hpel_motion_search().

int MotionEstContext::sub_flags

Definition at line 161 of file mpegvideo.h.

Referenced by bidir_refine(), direct_search(), ff_init_me(), hpel_motion_search(), qpel_motion_search(), and sad_hpel_motion_search().

int(* MotionEstContext::sub_motion_search)(struct MpegEncContext *s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)

Referenced by encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::sub_penalty_factor

Definition at line 158 of file mpegvideo.h.

Referenced by encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), hpel_motion_search(), qpel_motion_search(), and sad_hpel_motion_search().

uint8_t* MotionEstContext::temp

Definition at line 147 of file mpegvideo.h.

Referenced by cmp(), common_end(), encode_init(), free_duplicate_context(), and init_duplicate_context().

uint8_t* MotionEstContext::temp_mb[2]

Definition at line 146 of file mpegvideo.h.

int MotionEstContext::uvstride

Definition at line 174 of file mpegvideo.h.

Referenced by check_input_motion(), cmp(), encode_q_branch(), ff_estimate_p_frame_motion(), ff_init_me(), init_ref(), and interlaced_search().

int MotionEstContext::xmax

Definition at line 166 of file mpegvideo.h.

Referenced by bidir_refine(), clip_input_mv(), direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), get_limits(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::xmin

Definition at line 165 of file mpegvideo.h.

Referenced by bidir_refine(), clip_input_mv(), cmp(), direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), get_limits(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::ymax

Definition at line 168 of file mpegvideo.h.

Referenced by bidir_refine(), clip_input_mv(), direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), get_limits(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::ymin

Definition at line 167 of file mpegvideo.h.

Referenced by bidir_refine(), clip_input_mv(), cmp(), direct_search(), encode_q_branch(), ff_pre_estimate_p_frame_motion(), get_limits(), and interlaced_search().

The documentation for this struct was generated from the following file:

libavcodec/mpegvideo.h


Data Fields
AVCodecContext *	avctx
int	skip
	set if ME is skipped for the current MB
int	co_located_mv [4][2]
	mv from last P-frame for direct mode ME
int	direct_basis_mv [4][2]
uint8_t *	scratchpad
	data area for the ME algo, so that the ME does not need to malloc/free
uint8_t *	best_mb
uint8_t *	temp_mb [2]
uint8_t *	temp
int	best_bits
uint32_t *	map
	map to avoid duplicate evaluations
uint32_t *	score_map
	map to store the scores
int	map_generation
int	pre_penalty_factor
int	penalty_factor
int	sub_penalty_factor
int	mb_penalty_factor
int	flags
int	sub_flags
int	mb_flags
int	pre_pass
	= 1 for the pre pass
int	dia_size
int	xmin
int	xmax
int	ymin
int	ymax
int	pred_x
int	pred_y
uint8_t *	src [4][4]
uint8_t *	ref [4][4]
int	stride
int	uvstride
int	mc_mb_var_sum_temp
int	mb_var_sum_temp
int	scene_change_score
op_pixels_func(*	hpel_put )[4]
op_pixels_func(*	hpel_avg )[4]
qpel_mc_func(*	qpel_put )[16]
qpel_mc_func(*	qpel_avg )[16]
uint8_t(*	mv_penalty )[MAX_MV *2+1]
	amount of bits needed to encode a MV
uint8_t *	current_mv_penalty
int(*	sub_motion_search )(struct MpegEncContext s, int mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)